This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 12327121 |
| 2 | 129816911251 |
| 3 | 259621495381 |
| 4 | 346157884801 |
| 5 | 605767053061 |
| 6 | 6317168754781 |
| 7 | 6922923480721 |
| 8 | 12634325182441 |
| 9 | 18518799663001 |
| 10 | 21634109682121 |
| 11 | 24273469559431 |
| 12 | 57114029344321 |
| 13 | 65681131896901 |
| 14 | 102718706568661 |
| 15 | 135083316211741 |
| 16 | 135818875521811 |
| 17 | 153342494379361 |